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酸奶是用鲜牛奶接种乳酸菌,经发酵而生产出来的一种酸甜可口的美味乳制品,它具有很高的营养及保健价值。 牛奶经发酵作用后其成分发生了变化。蛋白质分解为蛋白胨
Yogurt is a kind of sweet, delicious and delicious dairy product produced by fermenting lactic acid bacteria with fresh milk. It has high nutritional and health value. After the fermentation of milk its composition has changed. The protein is broken down into peptone